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authorChris Wilson <chris@chris-wilson.co.uk>2017-03-13 10:07:50 +0000
committerChris Wilson <chris@chris-wilson.co.uk>2017-03-13 11:16:09 +0000
commit1257e0f804b7c2191691c0dbd455775944b9107f (patch)
tree8b48ffbfecd28f98ce5caf2adb183303c9dff024 /drivers/gpu
parent7f5f95d8aca44661efb4c66d405c21ca703a8e44 (diff)
drm/i915/selftests: Fix error path for ggtt walk_hole()
The patch 6e32ab3d4777: "drm/i915: Fill different pages of the GTT" from Feb 13, 2017, leads to the following static checker warning: drivers/gpu/drm/i915/selftests/i915_gem_gtt.c:583 walk_hole() error: 'vma' dereferencing possible ERR_PTR() Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Fixes: 6e32ab3d4777 ("drm/i915: Fill different pages of the GTT" Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Matthew Auld <matthew.auld@intel.com> Cc: Mika Kuoppala <mika.kuoppala@intel.com> Cc: <drm-intel-fixes@lists.freedesktop.org> Link: http://patchwork.freedesktop.org/patch/msgid/20170313100750.2685-1-chris@chris-wilson.co.uk Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/i915/selftests/i915_gem_gtt.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
index c4a39b7d7dd0..50710e3f1caa 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
@@ -539,7 +539,7 @@ static int walk_hole(struct drm_i915_private *i915,
vma = i915_vma_instance(obj, vm, NULL);
if (IS_ERR(vma)) {
err = PTR_ERR(vma);
- goto err;
+ goto err_put;
}
for (addr = hole_start;
@@ -550,7 +550,7 @@ static int walk_hole(struct drm_i915_private *i915,
pr_err("%s bind failed at %llx + %llx [hole %llx- %llx] with err=%d\n",
__func__, addr, vma->size,
hole_start, hole_end, err);
- goto err;
+ goto err_close;
}
i915_vma_unpin(vma);
@@ -559,14 +559,14 @@ static int walk_hole(struct drm_i915_private *i915,
pr_err("%s incorrect at %llx + %llx\n",
__func__, addr, vma->size);
err = -EINVAL;
- goto err;
+ goto err_close;
}
err = i915_vma_unbind(vma);
if (err) {
pr_err("%s unbind failed at %llx + %llx with err=%d\n",
__func__, addr, vma->size, err);
- goto err;
+ goto err_close;
}
GEM_BUG_ON(drm_mm_node_allocated(&vma->node));
@@ -575,13 +575,14 @@ static int walk_hole(struct drm_i915_private *i915,
"%s timed out at %llx\n",
__func__, addr)) {
err = -EINTR;
- goto err;
+ goto err_close;
}
}
-err:
+err_close:
if (!i915_vma_is_ggtt(vma))
i915_vma_close(vma);
+err_put:
i915_gem_object_put(obj);
if (err)
return err;